{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc0fa679ef994b43a7c403ba6937c2133ca4517efb3f39d4aab8c49d5a412f8d8",
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}